\left(\left(x \cdot x + y \cdot y\right) + y \cdot y\right) + y \cdot y
\left(\left(x \cdot x + y \cdot y\right) + y \cdot y\right) + y \cdot y
double f(double x, double y) {
double r349578 = x;
double r349579 = r349578 * r349578;
double r349580 = y;
double r349581 = r349580 * r349580;
double r349582 = r349579 + r349581;
double r349583 = r349582 + r349581;
double r349584 = r349583 + r349581;
return r349584;
}
double f(double x, double y) {
double r349585 = x;
double r349586 = r349585 * r349585;
double r349587 = y;
double r349588 = r349587 * r349587;
double r349589 = r349586 + r349588;
double r349590 = r349589 + r349588;
double r349591 = r349590 + r349588;
return r349591;
}




Bits error versus x




Bits error versus y
Results
| Original | 0.1 |
|---|---|
| Target | 0.1 |
| Herbie | 0.1 |
Initial program 0.1
Final simplification0.1
herbie shell --seed 2019325 +o rules:numerics
(FPCore (x y)
:name "Linear.Quaternion:$c/ from linear-1.19.1.3, E"
:precision binary64
:herbie-target
(+ (* x x) (* y (+ y (+ y y))))
(+ (+ (+ (* x x) (* y y)) (* y y)) (* y y)))